Support "Links" in Bug Record

TheBugTrack has introduced a new tab called "Links" in bug record. From "Links" tab, user can add links to other bugs, or add URL link to any web page. Please see screen capture below:

To add a new link, please click "Add a link". A new "Link" dialog will show up:

Please input any bug ID you'd like the current bug links to in edit box and then click "Find bug". After bug is found, please add your comments and then click "OK". A new link between two bugs is now created.

You can also create a link with an URL, please click "Web address" radio button: